Kokuyo's Campus Smart Ring binder notebook is ultra-slim and light. As with binders, you can re-arrange pages by opening the rings, but this notebook is as slim as a regular notebook. Slip several in your bag, and you'll see how easy it is to carry them from place to place. Great for meetings and classes, the notebook has flexible covers that fold back to occupy less desk space. This notebook contains a contents page and 5 sheets of A5/B5 Kokuyo Campus Sarasara loose leaf paperwith 5mm grid per page. The maximum capacity is 25sheets.Its provide a clear pocket at the back page, convenient to put your business card and important note.The notebook comes with a plastic casing that covers the top part of the spine. Carefully remove it before using the notebook.